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The ratio of Adam's CDs to Justin's CDs was 5:3. When Adam gave 7 CDs to Justin, they each had the same amount. How many CDs did they have altogether?

 May 24, 2022
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Adam : Justin = 5:3

                          5x 3x

             5x - 7 = 3x + 7

                  2x = 14

                    x = 7

Total CD's      =   5x + 3x = 8x

                      = 8 * 7 = 56

 May 25, 2022

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